MONITECH CO., LTD.
9Patents
3Active
9Granted
37Portfolio score
Filing activity: Jun 6, 1988 → Oct 20, 2016 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7299890B2 | Vehicle ignition interlock systems having transdermal alcohol sensor | Performing Operations; Transporting | 68 | Expired |
| US7287617B2 | Vehicle ignition interlock systems with multiple alcohol sensors | Physics | 41 | Expired |
| US4882564A | Remote temperature monitoring system | Physics | 38 | Expired |
| US7481292B2 | Vehicle ignition interlock systems with retesting frequency control | Performing Operations; Transporting | 37 | Active |
| US7377352B2 | Vehicle ignition interlock systems with mouth alcohol contamination sensor | Performing Operations; Transporting | 33 | Active |
| US7218236B2 | Vehicle ignition interlock systems that detect the presence of alcohol within vehicles | Emerging Cross-Sectional Technologies | 33 | Expired |
| USD540208S1 | Sample head for breath analyzer ignition interlock device | General | 21 | Expired |
| USD540209S1 | Control module for breath analyzer ignition interlock device | General | 2 | Expired |
| US10357844B2 | Method of monitoring of resistance welding quality of nuclear fuel rod | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.